Video of another Mantis in action (Not my video) https://youtu.be/SIRFsfbYZs0
Many years back a builder named Rich Ballantine sold RTR cats (53") and apaches (65") along with a few smaller hulls. He made everything. Hulls, hardware, graphics etc. A real artist. The bigger boats were offered with a marinated and clutched G62 zenoah plane motor though he offered the optional 74cc flat twin zenoah also (super rare). The 62cc zenoah has tremendous torque though limited top end rpm. The boat was shipped with a 9515/3 prop (95mm 3 blade). Boats ran well though were never intended to be race boats.
This was all 20+ years ago. Back before 26cc zenoahs. When homelites and 23cc zens were the race motors of choice.
Unfortunately Rich is no longer with us but a few of his boats live on.
